#170F70#170F70

#170F70 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.3% C 0.154 H 273.1°. Best body text is #FFFFFF at 15.69:1 contrast (WCAG AA passes).

Color values

HEX	#170F70
RGB	rgb(23, 15, 112)
HSL	hsl(245, 76%, 25%)
HSV	hsv(245, 87%, 44%)
CMYK	cmyk(79.5%, 86.6%, 0%, 56.1%)
CIE-LAB	lab(13.79, 37.12, -53.01)
CIE-LCH	lch(13.79, 64.71, 305.00°)
OKLab	oklab(27.33% 0.0083 -0.1533)
OKLCH	oklch(27.33% 0.154 273.1)
XYZ	xyz(3.4478, 1.6933, 15.4712)
Luminance	0.0169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F70 #68700F

analogous

#0F3870 #170F70 #470F70

triadic

#170F70 #70170F #0F7017

tetradic

#170F70 #700F38 #68700F #0F7047

square

#170F70 #700F38 #68700F #0F7047

split-complementary

#170F70 #70470F #38700F

monochromatic

#06041B #0C083A #170F70 #2216A6 #2D1DDC

Accessibility & contrast

On white

15.69

#170F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#170F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F70

15.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F70	#FFFFFF	#000000	##FFFFFF
##170F70	1.00	15.69	1.34	15.69
#FFFFFF	15.69	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002873

Deuteranopia (green-blind)

#001E6E

Tritanopia (blue-blind)

#002E41

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #170f70;
/* rgb */ color: rgb(23, 15, 112);
/* oklch */ color: oklch(27.3% 0.154 273.1);

Tailwind

colors: {
  custom: {
    50: '#66519a',
    500: '#170f70',
    950: '#000000',
  },
}

SCSS

$custom: #170f70;
$custom-light: #66519a;
$custom-dark: #000000;

JSON

{
  "hex": "#170f70",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 112
  },
  "hsl": {
    "h": 244.948,
    "s": 76.378,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27326,
    "c": 0.15354,
    "h": 273.1
  },
  "luminance": 0.01694
}

Semantic roles & 50–950 ramp

primary

#170F70

secondary

#9EA833

accent

#F335E3

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #170F70

Body copy rendered with the generated semantic roles for this colour.

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